local config = {
        removeOnUse = "no",
        usableOnTarget = "yes", -- can be used on target? (fe. healing friend)
        splashable = "no",
        realAnimation = "no", -- make text effect visible only for players in range 1x1
        healthMultiplier = 1.0,
        manaMultiplier = 1.0
}
 
config.removeOnUse = getBooleanFromString(config.removeOnUse)
config.usableOnTarget = getBooleanFromString(config.usableOnTarget)
config.splashable = getBooleanFromString(config.splashable)
config.realAnimation = getBooleanFromString(config.realAnimation)
 
local POTIONS = {
        [8704] = {empty = 7636, splash = 2, health = {50, 100}}, -- small health potion
        [7618] = {empty = 7636, splash = 2, health = {100, 200}}, -- health potion
        [7588] = {empty = 7634, splash = 2, health = {200, 400}, level = 50, vocations = {3, 4, 7, 8}, vocStr = "knights and paladins"}, -- strong health potion
        [7591] = {empty = 7635, splash = 2, health = {500, 700}, level = 80, vocations = {4, 8}, vocStr = "knights"}, -- great health potion
        [8473] = {empty = 7635, splash = 2, health = {800, 1000}, level = 130, vocations = {4, 8}, vocStr = "knights"}, -- ultimate health potion
 
        [7620] = {empty = 7636, splash = 7, mana = {70, 130}}, -- mana potion
        [7589] = {empty = 7634, splash = 7, mana = {110, 190}, level = 50, vocations = {1, 2, 3, 5, 6, 7}, vocStr = "sorcerers, druids and paladins"}, -- strong mana potion
        [7590] = {empty = 7635, splash = 7, mana = {200, 300}, level = 80, vocations = {1, 2, 5, 6}, vocStr = "sorcerers and druids"}, -- great mana potion
 
        [8472] = {empty = 7635, splash = 3, health = {200, 400}, mana = {110, 190}, level = 80, vocations = {3, 7}, vocStr = "paladins"} -- great spirit potion
}
 
local exhaust = createConditionObject(CONDITION_EXHAUST)
setConditionParam(exhaust, CONDITION_PARAM_TICKS, (getConfigInfo('timeBetweenExActions') - 100))
 
function onUse(cid, item, fromPosition, itemEx, toPosition)
        local potion = POTIONS[item.itemid]
        if(not potion) then
                return false
        end
 
        if(not isPlayer(itemEx.uid) or (not config.usableOnTarget and cid ~= itemEx.uid)) then
                if(not config.splashable) then
                        return false
                end
 
                if(toPosition.x == CONTAINER_POSITION) then
                        toPosition = getThingPos(item.uid)
                end
 
                doDecayItem(doCreateItem(2016, potion.splash, toPosition))
                doTransformItem(item.uid, potion.empty)
                return true
        end
 
        if(hasCondition(cid, CONDITION_EXHAUST_HEAL)) then
                doPlayerSendDefaultCancel(cid, RETURNVALUE_YOUAREEXHAUSTED)
                return true
        end
 
        if(((potion.level and getPlayerLevel(cid) < potion.level) or (potion.vocations and not isInArray(potion.vocations, getPlayerVocation(cid)))) and
                not getPlayerCustomFlagValue(cid, PLAYERCUSTOMFLAG_GAMEMASTERPRIVILEGES))
        then
                doCreatureSay(itemEx.uid, "Only " .. potion.vocStr .. (potion.level and (" of level " .. potion.level) or "") .. " or above may drink this fluid.", TALKTYPE_ORANGE_1)
                return true
        end
 
        local health = potion.health
        if(health and not doCreatureAddHealth(itemEx.uid, math.ceil(math.random(health[1], health[2]) * config.healthMultiplier))) then
                return false
        end
 
        local mana = potion.mana
        if(mana and not doPlayerAddMana(itemEx.uid, math.ceil(math.random(mana[1], mana[2]) * config.manaMultiplier))) then
                return false
        end
 
        doSendMagicEffect(getThingPos(itemEx.uid), CONST_ME_MAGIC_BLUE)
        if(not realAnimation) then
                doCreatureSay(itemEx.uid, "Aaaah...", TALKTYPE_ORANGE_1)
        else
                for i, tid in ipairs(getSpectators(getCreaturePosition(cid), 1, 1)) do
                        if(isPlayer(tid)) then
                                doCreatureSay(itemEx.uid, "Aaaah...", TALKTYPE_ORANGE_1, false, tid)
                        end
                end
        end
 
        doAddCondition(cid, exhaust)
 
        local v = getItemParent(item.uid)
        if(not potion.empty or config.removeOnUse) then
                return true
        end
 
        if fromPosition.x == CONTAINER_POSITION then
                for _, slot in ipairs({CONST_SLOT_LEFT, CONST_SLOT_RIGHT, CONST_SLOT_AMMO}) do
                        local tmp = getPlayerSlotItem(cid, slot)
                        if tmp.itemid == potion.empty and tmp.type < 100 then
                                doChangeTypeItem(item.uid, item.type - 1)
                                return getPlayerFreeCap(cid) >= getItemInfo(potion.empty).weight and doChangeTypeItem(tmp.uid, tmp.type + 1) or doPlayerAddItem(cid, potion.empty, 1)
                        end
                end
        else
                doChangeTypeItem(item.uid, item.type - 1)
                doCreateItem(potion.empty, 1, fromPosition)
                return true
        end
 
        if v.uid == 0 then
                if item.type == 1 and isInArray({CONST_SLOT_LEFT, CONST_SLOT_RIGHT, CONST_SLOT_AMMO}, fromPosition.y) then
                        doTransformItem(item.uid, potion.empty)
                else
                        -- serversided autostack should take care of this
                        doPlayerAddItem(cid, potion.empty, 1)
                        doChangeTypeItem(item.uid, item.type - 1)
                end
                return true
        else
                doChangeTypeItem(item.uid, item.type - 1)
                local size = getContainerSize(v.uid)
                for i = 0, size-1 do
                        local tmp = getContainerItem(v.uid, i)
                        if tmp.itemid == potion.empty and tmp.type < 100 then
                                return getPlayerFreeCap(cid) >= getItemInfo(potion.empty).weight and doChangeTypeItem(tmp.uid, tmp.type + 1) or doPlayerAddItem(cid, potion.empty, 1)
                        end
                end
 
                if getContainerSize(v.uid) < getContainerCap(v.uid) then
                        doAddContainerItem(v.uid, potion.empty)
                else
                        doPlayerAddItem(cid, potion.empty, 1)
                end
        end
        return true
end